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Technical Data Sheet

LAK1 1/4 — BEARING UNIT,BALL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

LAK1 1/4: BEARING UNIT,BALL.

The BEARING UNIT,BALL is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, seal_type: LABYRINTH, block_type: FIXED, base_length: 2.0156 INCHES NOMINAL IN, bore_diameter: 1.2500 INCHES NOMINAL IN, housing_width: 6.5625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-159-1478, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LAK1 1/4
NSN: 3130-00-159-1478
FSC: 3130 — Bearings, Mounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
seal_typeLABYRINTH
block_typeFIXED
base_length2.0156 INCHES NOMINAL IN
bore_diameter1.2500 INCHES NOMINAL IN
housing_width6.5625 INCHES NOMINAL IN
seal_locationBOTH ENDS
alignment_typeSELF-ALIGNING
base_thickness0.7500 INCHES NOMINAL IN
housing_height3.6250 INCHES NOMINAL IN
shaft_end_typeOPEN
collar_locationONE END
NSN3130-00-159-1478
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: LAK1 1/4 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SEAL TYPE: LABYRINTH
•
LUBRICATION MATERIAL: GREASE
•
LUBRICATION FITTING TYPE: PIPE PLUG
•
ASSEMBLY OVERALL LENGTH: 1.9062 INCHES NOMINAL IN
•
HOUSING HEIGHT: 3.6250 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 0.7500 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
MOUNTING HOLE TYPE: SLOTTED
TECHNICAL CHARACTERISTICS
SEAL TYPELABYRINTH
LUBRICATION MATERIALGREASE
LUBRICATION FITTING TYPEPIPE PLUG
ASSEMBLY OVERALL LENGTH1.9062 INCHES NOMINAL IN
HOUSING HEIGHT3.6250 INCHES NOMINAL IN
MOUNTING SLOT LENGTH0.7500 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
MOUNTING HOLE TYPESLOTTED
ROTATING ELEMENT LOCKING METHODSETSCREW LOCKING COLLAR
SEAL LOCATIONBOTH ENDS
SUBSTITUTES & CROSS-REFERENCES 5
S520MReference document
Same NSN cross-reference
Reference document — Secondary reference
SXB1-1-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
SYH104XReference document
Same NSN cross-reference
Reference document — Secondary reference
SYH11/4 WMReference document
Same NSN cross-reference
Reference document — Secondary reference
SYH1.1/4WFSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LAK1 1/4?
LAK1 1/4 is a BEARING UNIT,BALL.
What parts can replace LAK1 1/4?
There are 5 known substitutes for LAK1 1/4: S520M, SXB1-1-4, SYH104X and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LAK1 1/4?
LAK1 1/4 is cataloged in the U.S. Government catalog under NSN 3130-00-159-1478. This indicates validated use in U.S. government and defense supply chains.
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